Pseudodonor nature of the DI defect in 4H-SiC

被引:86
作者
Storasta, L [1 ]
Carlsson, FHC [1 ]
Sridhara, SG [1 ]
Bergman, JP [1 ]
Henry, A [1 ]
Egilsson, T [1 ]
Hallén, A [1 ]
Janzén, E [1 ]
机构
[1] Linkoping Univ, Dept Phys & Measurement Technol, SE-58183 Linkoping, Sweden
关键词
D O I
10.1063/1.1334907
中图分类号
O59 [应用物理学];
学科分类号
摘要
We use the recent findings about the pseudodonor character of the D-I defect to establish an energy-level scheme in the band gap for the defect, predicting the existence of a hole trap at about 0.35 eV above the valence band. Using minority carrier transient spectroscopy, we prove that the D-I defect indeed is correlated to such a hole trap. In addition, we show that the D-I defect is not correlated to the Z(1/2) electron trap, in contrast to what was previously reported. (C) 2001 American Institute of Physics.
引用
收藏
页码:46 / 48
页数:3
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